Early stages

The central communication and electric engineering workshops were established on the Northern Railway, combining Yaroslavl and Losinoostrovsky workshops.

The Signalsvyazzavody

The Signalsvyazzavody group of electrotechnical plants was established. In addition to equipment repairs, the Soviet government ordered it to master and manufacture new types of railway equipment.

The Transsignalsvyazzavody

After the Great Patriotic War in accordance with the large-scale work on the development of railways and the introduction of automation equipment, by order of the Minister of Railways, the trust of Electrotechnical Plants "Signalsvyazzavody" was revived as the All-Union Trust of Electrotechnical Plants "Transsignalsvyazzavody"

The Soyuzzheldoravtomatizatsya

The group is reorganized into Soyuzzheldoravtomatizatsya research and manufacturing association. The key competencies of the Company were based upon the legacy of the USSR Ministry of Railways structure.

Electrical Engineering Plants Incorporated (ELTEZA JSC)

Electrical Engineering Plants Incorporated Public Limited Company (ELTEZA OAO) was established as a successor to the existing manufacturing enterprises of railway signalling and telecommunication equipment. The Company became the first subsidiary of Russian Railways Company.

Competitive tendering

Following the decisions of the Government of the Russian Federation and the Supervisory Board of Russian Railways Company, competitive tendering was held for a sale and purchase contract of 50% − 1 share of ELTEZA stock, thus starting the process of expanding local content for complex computer-based systems.

International Railway Industry Standard IRIS

A quality management system was implemented and at affiliate plants and certified as compliant with the IRIS international standard and GOST ISO 9001.

The electronic interlocking MPC-EL was put into permanent operation.

In the subsequent years, the efforts were focused on improving and upgrading the system.